245402252112123 has 96 divisors (see below), whose sum is σ = 374668519680000. Its totient is φ = 160470326016000.

The previous prime is 245402252112109. The next prime is 245402252112181. The reversal of 245402252112123 is 321211252204542.

245402252112123 is a `hidden beast` number, since 2 + 4 + 5 + 4 + 0 + 2 + 2 + 521 + 1 + 2 + 123 = 666.

245402252112123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245402252112123 - 2¹⁶ = 245402252046587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245402252112923) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12984923728 + ... + 12984942626.

It is an arithmetic number, because the mean of its divisors is an integer number (3902797080000).

Almost surely, 2^{245402252112123} is an apocalyptic number.

245402252112123 is a deficient number, since it is larger than the sum of its proper divisors (129266267567877).

245402252112123 is a wasteful number, since it uses less digits than its factorization.

245402252112123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21375 (or 21363 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 245402252112123 in words is "two hundred forty-five trillion, four hundred two billion, two hundred fifty-two million, one hundred twelve thousand, one hundred twenty-three".